tickle the dragon's tail
动词 v.
英文释义
动词 v.
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To do something that has a risk of going catastrophically wrong.
— Climbing so close to an erupting volcano was tickling the dragon's tail.
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To annoy an irritable person.
— Don't tell him the headline's misprinted; you don't want to tickle the dragon's tail.
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To bring two subcritical masses close together in order to find the edge of criticality.
— The laboratory head tickles the dragon's tail whenever we have guests as a show of machismo.
词形变化
词源
From the obvious risk of tickling a dragon's tail. In physics, it was coined by American physicist Richard Feynman to describe the experiments of Louis Slotin at Los Alamos National Laboratory.
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数据来源: Wiktionary